Backend architecture, APIs, databases, integrations, and validation.
Maksim Grigoriev
(Senior Backend Developer)
Maksim designs backend architecture, APIs, data models, andintegrations for maintainable digital products. His work coverssystem structure, validation, automated checks, and releasereadiness across development environments.
Maksim designs backend architecture, APIs, data models, and integrations for maintainable digital products. His work covers system structure, validation, automated checks, and release readiness across development environments.
3system layers:API, data,integrations
4developmentstages
3environments:dev, staging,production
02
Backend Systems &API Engineering
Skills used to structure services, protect data integrity, and prepare reliable releases
Backend Architecture
ExperienceExperienceExperience
Service boundaries, data flows, and system structure for maintainable applications.
API Development
ExperienceExperienceExperience
Clear application interfaces, validation, and predictable error handling.
Database Design
ExperienceExperienceExperience
Schemas, queries, and data integrity rules aligned with application needs.
Integrations
ExperienceExperienceExperience
Reliable connections between internal systems and third-party platforms.
Testing & Review
ExperienceExperienceExperience
Automated checks and code review practices for safer changes.
Deployment Readiness
ExperienceExperienceExperience
Configuration, observability, and release preparation across environments.
Backend Architecture
ExperienceExperienceExperience
Service boundaries, data flows, and system structure for maintainable applications.
API Development
ExperienceExperienceExperience
Clear application interfaces, validation, and predictable error handling.
Database Design
ExperienceExperienceExperience
Schemas, queries, and data integrity rules aligned with application needs.
Integrations
ExperienceExperienceExperience
Reliable connections between internal systems and third-party platforms.
Testing & Review
ExperienceExperienceExperience
Automated checks and code review practices for safer changes.
Deployment Readiness
ExperienceExperienceExperience
Configuration, observability, and release preparation across environments.
03
EngineeringPractice
A practical view of backend skills, process, and tools
Requirements → design → implementation → tests → release.
Version control · automated tests · API documentation · monitoring
Code review, predictable errors, observability, and release checks.
0404
Frequently asked questions
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Trusted by
our clients
Hear directly from our clients—real storiesshowcasing the impact of our work andthe value we bring to every project.
Eduard Menshikov, Company Director, Stroy HouseEduard Menshikov,See the caseCompany Director, Stroy House
Conversion rate
Lead generation
Expertise, attention to detail and genuine business understanding are exactly what successful promotion in Moscow requires. Thanks to the professionalism and technical depth of 2Clients, we saw real conversion growth and a significant increase in the number of client inquiries within the first three months of our work.
Ad cost −40%
See the case
Aleksei Voronov, Marketing Director, Riverpark KutuzovskyAleksei Voronov,See the caseMarketing Director, Riverpark Kutuzovsky
Premium real estate
Traffic growth
The brief was simple: make Riverpark look as good online as it does in person. Traffic grew 240 percent and client volume grew 62 percent within weeks of the launch. The chatbot now handles overnight inquiries the sales team never had adequate coverage for before, and not a single qualified lead goes unanswered today.
Traffic +240%
See the case
Dmitry Sorokin, Head of Digital, Voyah RussiaDmitry Sorokin,See the caseHead of Digital, Voyah Russia
Automotive SEO
Brand launch
Launching an unknown Chinese EV brand against BMW and Audi is not a simple challenge. The platform 2Clients built changed how people perceived Voyah before they ever spoke to a salesperson. The model pages feel genuinely premium — European standard in both design and in technical execution. That was exactly the point.
Online Test drives
See the case
Anna Ilyina, Founder, Arhint StudioAnna Ilyina,See the caseFounder, Arhint Studio
Interior design
Lead quality
Tight deadline and a very specific visual standard — most agencies would have asked for more time or for more money, sometimes both. 2Clients asked for neither. The site launched on schedule, lead quality improved immediately and we finally have clear visibility into exactly which channel each new client is coming from.
Projects/mo +3
See the case
Pavel Romanov, Digital Director, STONEPavel Romanov,See the caseDigital Director, STONE
AI agents
Real estate developer
Multiple developments running simultaneously, constantly changing inventory, a sales team stretched thin — managing all of that digitally is genuinely complex. 2Clients built something that handles it well. The AI agents were the real surprise: meetings get booked, questions get answered, and the team focuses on deals.
Inquiries/mo 196
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Thomas van der Berg, CEO, James EditionThomas van der Berg,See the caseCEO, James Edition
Marketplace
Listing conversion
Global inventory, multiple currencies, buyers and sellers across more than 100 countries — the platform has to work reliably at all times without fail. It does. Listing conversion is up 129 percent and features ship correctly on the first build every time. That is what a real long-term technical partnership looks like.
Markets 100+
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Mikhail Kazakov, Head of Marketing, PioneerMikhail Kazakov,See the caseHead of Marketing, Pioneer
Call tracking
CPL reduction
We were spending seriously across five channels with no way to know which ones actually drove sales conversations. Now every call is attributed to the right campaign and CPL dropped 34 percent. The pre-qualified leads coming through the chatbot have genuinely changed how the entire sales team operates each working day.
Inquiries/mo 287
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Irina Volkova, Director, Realty PremiumIrina Volkova,See the caseDirector, Realty Premium
Elite real estate
Attribution
Elite clients form their opinion before they speak to you, and the website is how they do it. Ours now holds up to that standard without question. On top of that, call tracking revealed revenue we did not know we were generating — channels we had undervalued were quietly driving some of our most serious ongoing deals.
Inquiries/mo 34
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Ruslan Gareev, Founder, Drone AcademyRuslan Gareev,See the caseFounder, Drone Academy
Aviation training
Lead quality
Cohort dates are fixed — you simply cannot afford a slow website build when they are approaching. 2Clients delivered in two weeks without compromise. Enrollment inquiries started arriving that same week the page went live. Focusing the copy on federal certification rather than generic drone content brought in serious candidates.
Enrollments/mo 22
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Sergei Belov, CMO, AEON DevelopmentSergei Belov,See the caseCMO, AEON Development
Developer platform
Call attribution
At our scale a digital failure is an investor relations problem, not just a marketing issue. 2Clients built a platform that holds up under exactly that kind of pressure. Call attribution gave us full visibility we had never had before. The chatbot cleared the overnight inquiry backlog completely. CPL dropped 28 percent.
Inquiries/mo 218
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Dr. Elena Smirnova, Digital Director, EMCDr. Elena Smirnova,See the caseDigital Director, EMC
Medical SEO
Online booking
Healthcare digital presence is held to a different standard — verified credentials, genuine clinical depth and real patient experience. 2Clients understand that distinction completely. Every development decision reflected it. 640 online bookings a month, patient portal live and blog ranking on clinical specialisation searches.
Online bookings/mo 640
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Maxim Lapshov, CEO, WhitewillMaxim Lapshov,See the caseCEO, Whitewill
Elite agency
AI automation
Elite real estate runs on trust, discretion and expertise — and all of that has to be communicated clearly before a single word is spoken. The platform does that consistently. AI agents freed 120 broker hours every single month. The team focuses on the deals that actually matter. 196 inquiries a month and it keeps delivering.
Inquiries/mo 196
See the case06
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